From 0ff5d315c58581274e21ccb3381dc669fe1d2856 Mon Sep 17 00:00:00 2001
From: David Levine <david@axepress.dev>
Date: Fri, 2 Aug 2024 21:40:12 +0000
Subject: [PATCH] fix: check if classes are loaded by a different autoloader

---
 CHANGELOG.md       | 2 ++
 src/Autoloader.php | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e6ecfe9..2449ef87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+- fix: Check if classes are loaded by a different autoloader before attempting to autoload them.
+
 ## v0.13.0
 
 **:warning: This release contains multiple breaking changes.**
diff --git a/src/Autoloader.php b/src/Autoloader.php
index fd2af6fe..ef8154df 100644
--- a/src/Autoloader.php
+++ b/src/Autoloader.php
@@ -32,10 +32,16 @@ public static function autoload(): bool {
 			return true;
 		}
 
+		// If the autoloader has already been loaded, then return true.
 		if ( self::$is_loaded ) {
 			return self::$is_loaded;
 		}
 
+		// If the main class has already been loaded, then they must be using a different autoloader.
+		if ( class_exists( 'WPGraphQL\GF\GF' ) ) {
+			return true;
+		}
+
 		$autoloader      = dirname( __DIR__ ) . '/vendor/autoload.php';
 		self::$is_loaded = self::require_autoloader( $autoloader );